#include "diveplanner.h"
#include <QMouseEvent>
#include <boost/graph/graph_concepts.hpp>

DivePlanner* DivePlanner::instance()
{
	static DivePlanner *self = new DivePlanner();
	return self;
}

DivePlanner::DivePlanner(QWidget* parent): QGraphicsView(parent)
{
	setScene( new QGraphicsScene());
	scene()->setSceneRect(0,0,100,100);
}

void DivePlanner::mouseDoubleClickEvent(QMouseEvent* event)
{
	QGraphicsEllipseItem *item = new QGraphicsEllipseItem(-5,-5,10,10);
	item->setFlag(QGraphicsItem::ItemIgnoresTransformations);
	QPointF mappedPos = mapToScene(event->pos());

	item->setPos( mappedPos );
    scene()->addItem(item);
	handles << item;

	if (lines.empty()){
		QGraphicsLineItem *first = new QGraphicsLineItem(0,0, mappedPos.x(), mappedPos.y());
		lines << first;
		create_deco_stop();
		scene()->addItem(first);
	}else{
		clear_generated_deco();
		create_deco_stop();
	}
}

void DivePlanner::clear_generated_deco()
{
	for(int i = handles.count(); i < lines.count(); i++){
		scene()->removeItem(lines.last());
		delete lines.last();
		lines.removeLast();
	}
}

void DivePlanner::create_deco_stop()
{
	// this needs to create everything
	// for the calculated deco.
	QGraphicsLineItem *item = new QGraphicsLineItem(handles.last()->x(), handles.last()->y(), 100, 0);
	scene()->addItem(item);
	lines << item;
}

void DivePlanner::resizeEvent(QResizeEvent* event)
{
    QGraphicsView::resizeEvent(event);
	fitInView(sceneRect(), Qt::KeepAspectRatio);
}

void DivePlanner::showEvent(QShowEvent* event)
{
    QGraphicsView::showEvent(event);
	fitInView(sceneRect(), Qt::KeepAspectRatio);
}